# 5_1类和对象
# 创建类
class student:
    name = None #成员变量
    age = None
    def jianjie(self):  #成员方法
        print(f"my is {self.name},age={self.age}")

user1 = student()

user1.age=18
user1.name="leo"
user1.jianjie()

#